(ii) The department's experience with rates of mortality, disability, and remarriage for annuity recipients;

(iii) A pension discount rate of 4.5 percent for state fund pensions;

(iv) A pension discount rate of 5.9 percent for self-insured pensions, including the United States Department of Energy pensions; and

(v) The higher of the two pension discount rates so that pension benefits for both state fund and self-insured recipients use the same reduction factors for the calculation of death benefit options under RCW 51.32.067.

(b) The department's actuaries periodically investigate whether updates to the mortality tables relied on or the department's experience with rates of mortality, disability, and remarriage by its annuity recipients warrant updating the department's pension tables.

(2) To obtain a copy of any of the department's pension tables, contact the department of labor and industries actuarial services.